SECURITY REPORT · EXTENSHI SCAN
Captionz - YouTube Dual Subtitles & A-B Repeat
Chrome extension·by River
0
/ 100 SAFETY SCORE
CAUTION
Mostly fine, but a few things worth reviewing before you install.
Automated analysis of publicly available code — not a professional security audit. It may produce false positives and does not prove an extension is unsafe or safe. Treat it as one signal among many. Disclaimer · Report an issue
How it ranks
Captionz - YouTube Dual Subtitles & A-B Repeat's safety score vs every other extension we've scanned
Globally
84.75%of extensions carry more risk
Riskier ←→ Safer
Ranked across every extension we scan
In its category
74.75%of its category extensions carry more risk
Riskier ←→ Safer
Ranked within its category
Findings
10
median 38Lower is safer
Risky permissions
1
median 1Critical + high perms
Total permissions
3
median 4All declared perms
Critical findings
0
median 2Severity = Critical
Findings breakdown
Automated security signal · 10 findings across 5 severities
10
findings
detected
detected
Critical00%
High110%
Medium550%
Low440%
Info00%
Permissions requested
1 risky permission of 3 total
1 high-risk permission require attention
This extension requests 3 permissions in total. 1 of them grant broad capabilities that are worth a careful look.
High
View open tabs
Can see URLs and titles of all open tabs
Medium
Add context menu items
Can add custom items to the right-click context menu
Medium
Store local data
Can save data locally in the browser for persistence
Are you the author of Captionz - YouTube Dual Subtitles & A-B Repeat?
Claim this extension to respond to findings, add context, and earn a verified badge on extenshi.io.
Scan performed by extenshi.io · Jun 25, 2026· partial run (some scanners failed)
Browser extensions made transparent.